CN109525306A - Multiband analog satellite transponder - Google Patents
Multiband analog satellite transponder Download PDFInfo
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- CN109525306A CN109525306A CN201910016436.2A CN201910016436A CN109525306A CN 109525306 A CN109525306 A CN 109525306A CN 201910016436 A CN201910016436 A CN 201910016436A CN 109525306 A CN109525306 A CN 109525306A
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters
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- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Abstract
This application involves a kind of multiband analog satellite transponders, frequency-variable module including multiple and different frequency ranges, frequency-conversion processing can be carried out to the satellite-signal to be tested of multiple frequency range, when needing the satellite-signal to be tested to a variety of known frequency ranges to handle, an analog satellite transponder is just replaced without a kind of every satellite-signal to be tested for handling frequency range, since the frequency range of satellite-signal to be tested is known, only switching signal corresponding with the frequency range of satellite-signal to be tested need to be exported by switching control module, coaxial switch is according to switching signal, selection exports satellite-signal filtered all the way corresponding with switching signal in the satellite-signal after the multichannel filtering of input, it is more convenient to use.While satisfaction handles the signal of a variety of different frequency ranges, the manufacturing cost for comparing more analog satellite transponders is lower.
Description
Technical field
This application involves satellite communication field more particularly to a kind of multiband analog satellite transponders.
Background technique
In satellite communication field, satellite earth station is in daily plant maintenance, system testing, signal monitoring, in order to subtract
Few cost, reduces the influence to the satellite repeater service life, replaces real satellite transponder usually using analog satellite transponder.
In the prior art, analog satellite transponder only support to receive single-frequency segment signal, frequency conversion.If you need to different frequencies
Section signal received, frequency conversion, then need more analog satellite transponders, more analog satellite transponder switch operatings are more
Inconvenience, and produce the higher cost of more analog satellite transponders.
Summary of the invention
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, the application provides a kind of simulation of multiband and defends
Star transponder.
The scheme of the application is as follows:
A kind of multiband analog satellite transponder, comprising:
Attenuator carries out attenuation processing, output attenuatoin for inputting satellite-signal to be tested, and to the satellite-signal
Satellite-signal afterwards；
First power splitter is carried out for inputting the satellite-signal after the decaying, and to the satellite-signal after the decaying
Equivalent function point processing, exports the road N output signal, wherein N be it is preset be greater than 1 value；
The frequency-variable module of N number of different frequency range is connect with first power splitter respectively, and each frequency-variable module is for inputting institute
The output signal all the way of the first power splitter output is stated, and frequency-conversion processing is carried out to the output signal, the satellite after exporting frequency conversion
Signal；
N number of filter, each filter connect a frequency-variable module, for inputting the satellite-signal after the frequency conversion, and
Satellite-signal after the frequency conversion is filtered, filtered satellite-signal is exported；
Switching control module is used for output switching signal；
Coaxial switch is all connected with, for inputting multichannel filtering with multiple filters and the switching control module
Satellite-signal and the switching signal afterwards, and according to the switching signal, in the satellite-signal after the multichannel filtering of input
Selection exports filtered satellite-signal all the way；
Output module, the satellite-signal filtered all the way for exporting the coaxial switch are output to receiver.
Preferably, in a kind of achievable mode of the application, the attenuator is adjustable attenuator.
Preferably, in a kind of achievable mode of the application, the adjustable extent of the adjustable attenuator is 0-30dB.
Preferably, in a kind of achievable mode of the application, further includes:
N number of oscillator, each oscillator and a frequency-variable module, for providing reference frequency for the frequency-variable module.
Preferably, in a kind of achievable mode of the application, the switching control module includes: N number of switch；
The switching control module is specifically used for the switch order according to the switch output, exports corresponding switch letter
Number.
Preferably, in a kind of achievable mode of the application, the N is 3.
Preferably, in a kind of achievable mode of the application, N number of frequency-variable module includes:
C frequency range frequency-variable module, for the satellite-signal of C frequency range to be down-converted to the satellite-signal of L frequency range；
Ku frequency range frequency-variable module, for the satellite-signal of Ku frequency range to be down-converted to the satellite-signal of L frequency range；
DBS frequency range frequency-variable module is used to down-convert to the satellite-signal of DBS frequency range the satellite-signal of L frequency range.
Preferably, in a kind of achievable mode of the application, N number of filter is L frequency band filter.
Preferably, in a kind of achievable mode of the application, the output module includes:
Second power splitter carries out it for inputting the satellite-signal filtered all the way of the coaxial switch output
Output is two-way output signal after function point processing.
Preferably, in a kind of achievable mode of the application, the receiver includes: test equipment and decoding device；
The two-way output signal is respectively used to be output to test equipment and decoding device.
Technical solution provided by the present application can include the following benefits: by the first power splitter to the satellite after decaying
Signal carries out function point processing, and each frequency-variable module carries out frequency-conversion processing to the output signal all the way that the first power splitter exports, and output becomes
For satellite-signal after frequency to filter, the satellite-signal after frequency conversion is output to coaxial switch after filter filtering is handled.
It, can be to the to be tested of multiple frequency range since the analog satellite transponder in the application includes the frequency-variable module of multiple and different frequency ranges
Satellite-signal carries out frequency-conversion processing, when needing the satellite-signal to be tested to a variety of known frequency ranges to handle, without every
The satellite-signal to be tested for handling a kind of frequency range just replaces an analog satellite transponder, due to satellite-signal to be tested
Frequency range be it is known, only need to export corresponding with the frequency range of satellite-signal to be tested switching signal by switching control module,
Coaxial switch is according to switching signal, and selection output is corresponding with switching signal in the satellite-signal after the multichannel filtering of input
Filtered satellite-signal all the way, it is more convenient to use.It is right while satisfaction handles the signal of a variety of different frequency ranges
Manufacturing cost than more analog satellite transponders is lower.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is the structure chart for the multiband analog satellite transponder that the application one embodiment provides；
Fig. 2 is the structure chart for the multiband analog satellite transponder that another embodiment of the application provides；
Fig. 3 is the structure chart for the multiband analog satellite transponder that another embodiment of the application provides.
Appended drawing reference: attenuator -1；First power splitter -2；Frequency-variable module -3；Oscillator -31；Filter -4；Coaxial switching
Device -5；Switching control module -6；Switch -61；Output module -7；Second power splitter -71；Receiver -8；Test equipment -81；Solution
Decoding apparatus -82.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
Fig. 1 is the structure chart for the multiband analog satellite transponder that the application one embodiment provides, referring to Fig.1, a kind of
Multiband analog satellite transponder characterized by comprising
Attenuator 1 carries out attenuation processing for inputting satellite-signal to be tested, and to satellite-signal, after output attenuatoin
Satellite-signal；
First power splitter 2 carries out equivalent function point for the satellite-signal after input attenuation, and to the satellite-signal after decaying
Processing, export the road N output signal, wherein N be it is preset be greater than 1 value；
The frequency-variable module 3 of N number of different frequency range is connect with the first power splitter 2 respectively, and each frequency-variable module 3 is for inputting the
The output signal all the way of one power splitter 2 output, and frequency-conversion processing is carried out to output signal, the satellite-signal after exporting frequency conversion；
N number of filter 4, each filter 4 connect a frequency-variable module 3, for inputting the satellite-signal after frequency conversion, and it is right
Satellite-signal after frequency conversion is filtered, and exports filtered satellite-signal；
Switching control module 6 is used for output switching signal；
Coaxial switch 5 is all connected with multiple filters 4 and switching control module 6, for inputting defending after multichannel filtering
Star signal and switching signal, and according to switching signal, selection output is filtered all the way in the satellite-signal after the multichannel filtering of input
Satellite-signal after wave；
Output module 7, the satellite-signal filtered all the way for exporting coaxial switch 5 are output to receiver 8.
The frequency range of satellite-signal to be tested should at least with one of the frequency-variable module 3 of frequency ranges all in the present embodiment pair
It answers.
Attenuator 1 is a kind of electronic component for providing and decaying, and is widely used in electronic equipment, its main application
Be: (1) in adjustment circuit signal size；(2) in comparative method for measuring circuit, it can be used to the pad value of direct-reading tested network；
(3) improving impedance matching can be in this circuit and actual negative if certain circuit requirements have a more stable load impedance
It carries and is inserted into an attenuator 1 between impedance, the variation of impedance can be buffered.Attenuator 1 in the present embodiment is to be measured for inputting
The satellite-signal of examination, and attenuation processing is carried out to satellite-signal, the satellite-signal after output attenuatoin to power splitter.
Preferably, attenuator 1 is adjustable attenuator 1, adjustable range 0-30dB.The attenuation range of general attenuator 1 is
3dB, 10dB, 14dB, 20dB etc. reach as high as 110dB.Structure type is generally divided to two kinds of forms: fixed proportion attenuator 1 with
Stepping ratio adjustable attenuator 1.Fixed attenuator 1 refers to the attenuator 1 in certain frequency range fixed proportion multiple.It is adjustable to decline
Subtract device 1 and be with the attenuator 1 of certain fixed value (example 1dB) proportion adjustable multiple at equal intervals, and is divided into and is manually stepped 1 He of attenuator
Programmable step attenuator 1.
1 adjustable extent of adjustable attenuator in the present embodiment is 0-30dB, compared with the adjustable extent of general adjustable attenuator 1
It is bigger, after bigger range can satisfy the input survey turn of varying level signal, wanting for receiving device can be met in output
Seek level.Such as 81 incoming level of general test equipment is less than 30dBm, otherwise can damage equipment, in the present embodiment
Adjustable attenuator 1 strength of adjustment it is sufficiently large, big level signal can significantly decline to it after entering adjustable attenuator 1
Subtract, makes the big level signal level attenuation of input to meeting the requirements.
Adjustable attenuator 1 in the present embodiment is bigger by adjustable extent, and the signal level range for allowing to access is bigger, protects
The safety of the equipment of level signal after barrier receiving attenuation.
Power splitter full name power divider, be it is a kind of will all the way input signal energy be divided into two-way or multiple-channel output it is equal or
The device of unequal energy, the first power splitter 2 in the application are that the satellite-signal after decaying is divided into multiple-channel output is equal
Power splitter.It should ensure that certain isolation between the output port of one power splitter.Power splitter is generally divided into one-to-two by output
(two outputs of an input), one point of three (three outputs of an input), one point four (one inputs four outputs) etc..
Preferably, one point of four power splitter can be selected in the present embodiment.
Frequency-variable module 3, is also frequency converter, and the frequency-conversion processing of output signal all the way for exporting to the first power splitter 2 is to defend
The L frequency band signals that star receiver needs, L frequency band signals are the signal of 950-1450MHz frequency ranges.
Further, 3 quantity of frequency-variable module in the present embodiment is 3, comprising:
C frequency range frequency-variable module 3, for the satellite-signal of C frequency range to be down-converted to the satellite-signal of L frequency range；
Ku frequency range frequency-variable module 3, for the satellite-signal of Ku frequency range to be down-converted to the satellite-signal of L frequency range；
DBS frequency range frequency-variable module 3 is used to down-convert to the satellite-signal of DBS frequency range the satellite-signal of L frequency range.
C frequency range: 5.85-7GHz
Ku frequency range: 13.75-14.5GHz
DBS frequency range: 17.3-18.1GHz
C frequency range, Ku frequency range and DBS frequency range are three relatively conventional frequency ranges, the signal of C frequency range, Ku frequency range and DBS frequency range
It is the signal that test volume is more in satellite-signal test.
C frequency range, Ku frequency range and DBS frequency range cover biggish band limits.The satellite of C frequency range, Ku frequency range and DBS frequency range is believed
Number frequency-conversion processing can be carried out in analog satellite transponder in the present embodiment.
The filter circuit that filter 4 is made of capacitor, inductance and resistance.Filter 4 can be to frequency specific in power supply line
Frequency other than the frequency point of rate or the frequency point is effectively filtered out, and obtains the power supply signal of a specific frequency, or eliminate one
Power supply signal after specific frequency.It is filtered in the present embodiment by the signal that filter 4 exports frequency-variable module 3.
Preferably, filter 4 is L frequency band filter 4, for filtering out the clutter other than L frequency range.
Coaxial switch 5 is all connected with multiple filters 4 and switching control module 6, for inputting defending after multichannel filtering
Star signal and switching signal, and according to switching signal, selection output is filtered all the way in the satellite-signal after the multichannel filtering of input
Satellite-signal after wave.
Preferably, referring to Fig. 3, switching control module 6 includes C frequency range switch 61, Ku frequency range switch 61 and DBS frequency range switch
61, switching control module 6 is specifically used for the switch order inputted according to switch 61, exports corresponding switching signal.
Multiband analog satellite transponder referring to Fig. 2, in some embodiments, further includes: N number of oscillator 31, Mei Gezhen
Device 31 and a frequency-variable module 3 are swung, for providing reference frequency for frequency-variable module 3.The effect of oscillator 31 is to generate a ginseng
Frequency is examined, the frequency mixer of frequency-variable module 3 is inputted, then carry out frequency synthesis with input signal, generates required L-Band signal.
With in above-described embodiment C frequency range frequency-variable module 3, Ku frequency range frequency-variable module 3 and DBS frequency range frequency-variable module 3 it is corresponding
, oscillator 31 includes: C frequency range oscillator 31, Ku frequency range oscillator 31 and DBS frequency range oscillator 31.
Referring to Fig. 3, multiband analog satellite transponder in some embodiments,
Output module 7 includes: the second power splitter 71, for inputting the satellite filtered all the way of the output of coaxial switch 5
Signal, output is two-way output signal after function point processing is carried out to it.
Further, receiver 8 includes: test equipment 81 and decoding device 82；Two-way output signal is respectively used to export
To test equipment 81 and decoding device 82.
Second power splitter 71 is separately connected test equipment 81 and decoding device 82.
Function point processing is carried out by the satellite-signal filtered all the way that the second power splitter 71 exports coaxial switch 5,
Signal connecting test equipment 81 is tested all the way, and another way signal connection decoding device 82 does other uses.
Test equipment 81 can be, but not limited to as frequency spectrograph.
Decoding device 82 is used to carry out audio-video viewing after being decoded the signal of 71 function of the second power splitter point.It can also be with
It is used as other purposes.
In summary the multiband analog satellite transponder in preferred embodiment provides a kind of optimal multifrequency in the present embodiment
Section analog satellite transponder, comprising:
Adjustable attenuator 1, adjustable range 0-30dB；
First power splitter 2, specially one point of four power splitter；
C frequency range frequency-variable module 3, Ku frequency range frequency-variable module 3 and DBS frequency range frequency-variable module 3；
C frequency range oscillator 31, Ku frequency range oscillator 31 and DBS frequency range oscillator 31；
L frequency band filter 4；
Switching control module 6 and coaxial switch 5, switching control module 6 include C frequency range switch 61, Ku frequency range switch 61
With DBS frequency range switch 61；
Second power splitter 71；Connect the test equipment 81 and decoding device 82 of the second power splitter 71.
If the frequency range of satellite-signal to be tested is C frequency range, by attenuator 1 to the satellite-signal to be tested of C frequency range into
Row attenuation processing reaches the level of the requirement of test equipment 81.
Satellite-signal after the decaying of first 2 pairs of power splitter carries out function point processing, generally to the satellite-signal after decaying into
Row equivalent function point processing, keeps each 3 received signal intensity of frequency-variable module identical.
The reference frequency that each 3 reception oscillator 31 of frequency-variable module generates, to the output signal all the way of the first power splitter 2 output
Frequency-conversion processing is carried out, the satellite-signal after exporting frequency conversion to filter 4, filter by L frequency band filter 4 by the satellite-signal after frequency conversion
Coaxial switch 5 is output to after wave processing.
Analog satellite transponder in the application includes multiple frequency-variable modules 3, and each frequency-variable module 3 is to the first power splitter 2
Output output signal all the way carry out frequency-conversion processing, due to input satellite-signal to be tested frequency range be C frequency range, only via
Treated the signal of C frequency range frequency-variable module 3 is L frequency band signals, and 3 nothing of Ku frequency range frequency-variable module 3 or DBS frequency range frequency-variable module
The satellite-signal frequency-conversion processing to be tested of C frequency range is L frequency band signals by method.
It needs to export switching signal corresponding with the frequency range of satellite-signal to be tested by switching control module 6 at this time, i.e.,
Output switching signal is switched by the C frequency range in switching control module 6, makes coaxial switch 5 according to switching signal, in input
Selection exports the L frequency band signals via 3 frequency-conversion processing of C frequency range frequency-variable module in satellite-signal after multichannel filtering.
Function point processing is carried out by the filtered satellite-signal that the second power splitter 71 exports coaxial switch 5, all the way
Signal connecting test equipment 81 is tested, and another way signal connection decoding device 82 does other uses.
If the frequency range of satellite-signal to be tested is that Ku frequency range or DBS frequency range, processing mode are same as above.
In the prior art, the satellite-signal to be tested for handling three kinds of frequency ranges as above if necessary, needs three analog satellites
Transponder, i.e. C frequency range analog satellite transponder, Ku frequency range analog satellite transponder and the switching of DBS frequency range analog satellite transponder
It uses.Analog satellite transponder in the present embodiment, the achievable satellite-signal to be tested to a variety of different frequency ranges are handled,
Switching analog satellite transponder is not needed, and due to only needing an analog satellite transponder that three analog satellites can be completed
The function of transponder, compared to three analog satellite transponders of production cost are lower.
Optionally, the analog satellite transponder in the embodiment of the present application is powered by DC power module.The embodiment of the present application
In analog satellite transponder further include: the components such as cabinet, line, power switch, connector are that those skilled in the art can
The technological means of understanding, is not repeated herein.
Each number of element types inventory of analog satellite transponder in some embodiments is as follows:
C frequency range frequency-variable module, the input/output frequency of Ku frequency range frequency-variable module and DBS frequency range frequency-variable module, local frequency
It is as follows: with bandwidth
The parameter of one point of four power splitter is as follows: frequency range: 5~18GHz
Insertion loss: 1.20dB
Amplitude balance: 0.5dB
Isolation: 16dB
Phase equilibrium: 8 °
Input/output standing-wave ratio: 1.70:1
Power distribution AR inputs (maximum): 30W
Optionally, coaxial switch selects a L frequency range coaxial switch, model are as follows: TeledyneRelays CCP- for four
18N SP4T
Parameter is as follows:
Connector: SMA
Minimum frequency: DC
Maximum frequency: 18GHz
Impedance: 50 ohm
Maximal input: 35 watts
Maximum standing-wave ratio: 1:1.5
Maximum Insertion Loss: 0.5dB
Minimum isolation: 60dB
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of multiband analog satellite transponder characterized by comprising
Attenuator carries out attenuation processing for inputting satellite-signal to be tested, and to the satellite-signal, after output attenuatoin
Satellite-signal；
First power splitter carries out function point for inputting the satellite-signal after the decaying, and to the satellite-signal after the decaying
Processing, export the road N output signal, wherein N be it is preset be greater than 1 value；
The frequency-variable module of N number of different frequency range is connect with first power splitter respectively, and each frequency-variable module is for inputting described the
The output signal all the way of one power splitter output, and frequency-conversion processing is carried out to the output signal, the satellite-signal after exporting frequency conversion；
N number of filter, each filter connect a frequency-variable module, for inputting the satellite-signal after the frequency conversion, and to institute
Satellite-signal after stating frequency conversion is filtered, and exports filtered satellite-signal；
Switching control module is used for output switching signal；
Coaxial switch is all connected with, after inputting multichannel filtering with multiple filters and the switching control module
Satellite-signal and the switching signal, and according to the switching signal, it is selected in the satellite-signal after the multichannel filtering of input
Export filtered satellite-signal all the way；
Output module, the satellite-signal filtered all the way for exporting the coaxial switch are output to receiver.
2. multiband analog satellite transponder according to claim 1, which is characterized in that the attenuator is adjustable damping
Device.
3. multiband analog satellite transponder according to claim 2, which is characterized in that the adjustable attenuator it is adjustable
Range is 0-30dB.
4. multiband analog satellite transponder according to claim 1, which is characterized in that further include:
N number of oscillator, each oscillator and a frequency-variable module, for providing reference frequency for the frequency-variable module.
5. multiband analog satellite transponder according to claim 1, which is characterized in that the switching control module packet
It includes: N number of switch；
The switching control module is specifically used for exporting corresponding switching signal according to the switch order of the switch output.
6. multiband analog satellite transponder according to claim 1-5, which is characterized in that the N is 3.
7. multiband analog satellite transponder according to claim 6, which is characterized in that N number of frequency-variable module includes:
C frequency range frequency-variable module, for the satellite-signal of C frequency range to be down-converted to the satellite-signal of L frequency range；
Ku frequency range frequency-variable module, for the satellite-signal of Ku frequency range to be down-converted to the satellite-signal of L frequency range；
DBS frequency range frequency-variable module is used to down-convert to the satellite-signal of DBS frequency range the satellite-signal of L frequency range.
8. multiband analog satellite transponder according to claim 7, which is characterized in that N number of filter is L frequency
Section filter.
9. multiband analog satellite transponder according to claim 1, which is characterized in that the output module includes:
Second power splitter carries out function point to it for inputting the satellite-signal filtered all the way of the coaxial switch output
Output is two-way output signal after processing.
10. multiband analog satellite transponder according to claim 9, which is characterized in that the receiver includes: test
Equipment and decoding device；
The two-way output signal is respectively used to be output to test equipment and decoding device.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111865417A (en) * | 2019-04-24 | 2020-10-30 | 南京航星通信技术有限公司 | Satellite-ground satellite laser communication terminal facing cube star |
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| CN115037349B (en) * | 2022-05-11 | 2024-02-20 | 中国人民解放军陆军装甲兵学院 | Wireless dual-band satellite communication analog repeater |
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